Updates build to 0.3.2 (final)

241 LJ1200 Error Correction (v0.3.2 branch)

build/build.xml

@@ -6,8 +6,8 @@
     <!-- version properties -->
     <property name="major" value="0"/>
     <property name="minor" value="3"/>
-    <property name="patch" value="1"/>
-    <property name="release" value=""/> <!-- Use dash (-) prefix (e.g. -beta1) -->
+    <property name="patch" value="2"/>
+    <property name="release" value=""/>
     <property name="filename" value="sdrtrunk_${major}.${minor}.${patch}${release}"/>
 
     <!-- Build properties -->
@@ -34,7 +34,7 @@
         <mkdir dir="${output.classes}"/>
 
         <!-- Create version file -->
-        <echo message="${major}.${minor}.${patch}${release}" file="${output.classes}/sdrtrunk-version"/>
+        <echo message="${major}.${minor}.${patch}-${release}" file="${output.classes}/sdrtrunk-version"/>
     </target>
 
     <target name="compile" depends="clean,init,compile-java-8,compile-java-9"

src/audio/broadcast/shoutcast/v2/ultravox/AuthenticateBroadcast.java

@@ -71,6 +71,40 @@ public class AuthenticateBroadcast extends UltravoxMessage
         setPayload(sb.toString());
     }
 
+    /**
+     * Encrypts the value using the XTEA block cipher algorithm.  The byte array is sliced into 8-byte chunks and each
+     * chunk is encrypted into a 16 hexadecimal character string.  All encrypted chunks are concatenated and returned
+     * as a single string.  If the value byte array is not an even multiple of 8 characters, it will be padded with
+     * zero valued bytes to make it an even multiple of eight.
+     *
+     * @param xtea instance of the XTEA algorithm with a loaded encryption key
+     * @param value to encode
+     * @return value encrypted into one or more multiples of 16 hexadecimal characters
+     */
+    private static String encrypt(XTEA xtea, byte[] value)
+    {
+        if(value.length % 8 != 0 || value.length == 0)
+        {
+            int newLength = ((value.length / 8) + 1) * 8;
+            value = Arrays.copyOf(value, newLength);
+        }
+
+        StringBuilder sb = new StringBuilder();
+
+        for(int x = 0; x < value.length; x += 8)
+        {
+            byte[] plaintext = Arrays.copyOfRange(value, x, x + 8);
+            byte[] encrypted = xtea.encrypt(plaintext);
+
+            for(byte b: encrypted)
+            {
+                sb.append(String.format("%02x", b));
+            }
+        }
+
+        return sb.toString();
+    }
+
     /**
      * Encrypts the value using the XTEA block cipher algorithm and returns the encrypted value as a 16 hex value
      *
@@ -80,23 +114,6 @@ public class AuthenticateBroadcast extends UltravoxMessage
      */
     private static String encrypt(XTEA xtea, String value)
     {
-        byte[] valueBytes = value.getBytes();
-
-        if(valueBytes.length % 8 != 0 || valueBytes.length == 0)
-        {
-            int newLength = ((valueBytes.length / 8) + 1) * 8;
-            valueBytes = Arrays.copyOf(valueBytes, newLength);
-        }
-
-        byte[] encrypted = xtea.encrypt(valueBytes);
-
-        StringBuilder sb = new StringBuilder();
-
-        for(byte b: encrypted)
-        {
-            sb.append(String.format("%02x", b));
-        }
-
-        return sb.toString();
+        return encrypt(xtea, value.getBytes());
     }
 }

src/edac/CRCLJ.java

@@ -163,7 +163,7 @@ public class CRCLJ
     }
 
     /**
-     * Identifies 1 or 2 bit error positions that match the checksum error value.
+     * Identifies 1 bit error positions that match the checksum error value.
      */
     public static int[] findBitErrors( int checksumError )
     {
@@ -180,24 +180,6 @@ public class CRCLJ
 			}
 		}
 
-    	/* Two bit errors */
-		for( int x = 0; x < 48; x++ )
-		{
-			for( int y = 0; y < 48; y++ )
-			{
-				if( x != y && 
-					( CHECKSUMS[ x ] ^ CHECKSUMS[ y ] ) == checksumError )
-				{
-					int[] errors = new int[ 2 ];
-
-					errors[ 0 ] = x;
-					errors[ 1 ] = y;
-					
-					return errors;
-				}
-			}
-		}
-		
 		return null;
     }